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Subsequent Events (Detail Textuals) - USD ($) |  |  |  | 1 Months Ended | 6 Months Ended
--- | --- | --- | --- | --- | ---
Aug. 12, 2020 | Aug. 07, 2020 | Aug. 04, 2020 | Aug. 31, 2020 | Jul. 31, 2020 | Jun. 30, 2020 | Jun. 30, 2019
Subsequent Event [Line Items] |  |  |  |  |  |  |
Private placement stock issuance costs |  |  |  |  |  | $ 0 | $ 9,301
Subsequent Event |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Number of common stock called by warrant |  |  | 8,166,667 |  |  |  |
Warrant exercise price |  |  | $ 0.075 |  |  |  |
Warrants and rights outstanding term |  |  | 5 years |  |  |  |
Private placement stock issuance costs |  |  | $ 825,698 |  |  |  |
Proceeds from issuance of private placement |  |  | $ 6,113,969 |  |  |  |
Subsequent Event | 2014 Plan |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Stock options granted | 22,750,000 |  |  |  |  |  |
Weighted-average fair value of stock options granted | $ 0.045 |  |  |  |  |  |
Additional common shares | 18,486,435 |  |  |  |  |  |
Subsequent Event | Emerald Financing Warrants |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Warrant exercise price |  |  |  | $ 0.10 |  |  |
Threshold exercise price of warrants to waive rights to anti dilution protection upon subsequent issuances |  |  |  | $ 0.10 |  |  |
Subsequent Event | Securities Purchase Agreement with H.C. Wainwright & Co., LLC |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Number of common stock units sold |  |  |  |  | 56,333,334 |  |
Number of pre-funded units sold |  |  |  |  | 60,333,334 |  |
Common units sold price per unit |  |  |  |  | $ 0.06 |  |
Pre-funded units sold price per unit |  |  |  |  | $ 0.059 |  |
Gross proceeds of units sold |  |  |  |  | $ 6,939,667 |  |
Warrants and rights outstanding term |  |  |  |  | 5 years |  |
Subsequent Event | Securities Purchase Agreement with H.C. Wainwright & Co., LLC | Common Stock Warrants |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Warrant exercise price |  |  |  |  | $ 0.06 |  |
Subsequent Event | Securities Purchase Agreement with H.C. Wainwright & Co., LLC | Pre-funded Warrants |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Warrant exercise price |  |  |  |  | $ 0.001 |  |
Subsequent Event | Management Deferral Agreement |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Amount of deferral agreements paid to certain senior members of management |  |  |  | $ 293,078 |  |  |
Subsequent Event | Separation and release agreement |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Payment in consideration for restrictive covenants in Separation Agreement |  | $ 195,000 |  |  |  |  |

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